3 Portsmouth teenagers were hospitalized after huffing vapors from air horns. The girls huffed the vapors on the school bus. According to the report, once at school teachers noticed the girls were acting "out of the ordinary" and were sent to the school nurse. The school nurse, with the advice of poison control, called police to have the girls taken to the hospital. According to police at least one of the girls showed signs of an overdose. All three girls may be facing criminal charges.